Helix
A helix (pl: helixes or helices) is a type of smooth space curve, i.e. a curve in three-dimensional space. It has the property that the tangent line at any point makes a constant angle with a fixed line called the axis. Examples of helices are coil springs and the handrails of spiral staircases. A "filled-in" helix – for example, a spiral ramp – is called a helicoid. Helices are important in biology, as the DNA molecule is formed as two intertwined helices, and many proteins have helical substructures, known as alpha helices. The word helix comes from the Greek word ἕλιξ, "twisted, curved".
Types
Helices can be either right-handed or left-handed. With the line of sight along the helix's axis, if a clockwise screwing motion moves the helix away from the observer, then it is called a right-handed helix; if towards the observer, then it is a left-handed helix. Handedness (or chirality) is a property of the helix, not of the perspective: a right-handed helix cannot be turned to look like a left-handed one unless it is viewed in a mirror, and vice versa.
Helix (band)
Helix is a Canadian hard rock/heavy metal band. They formed in 1974, and are best known for their 1984 single "Rock You". The original lineup was formed by drummer Bruce Arnold, and consisted of lead vocalist Brian Vollmer, guitarists Ron Watson and Rick "Minstrel" Trembley, keyboardist Don Simmons, and bassist Keith "Bert" Zurbrigg. However, their most well known lineup, and the one that recorded "Rock You", was the 80s version of the band: Vollmer on vocals, accompanied by guitarists Brent "The Doctor" Doerner and Paul Hackman, bassist Daryl Gray, and drummer Greg "Fritz" Hinz. The history of the band has been marked by many lineup changes, with Vollmer being the sole constant member and only remaining member of the original lineup. Although Hackman was killed in a tour bus accident in 1992, the surviving members of the 80s lineup reunited in 2009 for an album and have continued to tour since 2011.
Helix have toured with bands such as Kiss, Aerosmith, Rush, Mötley Crüe, Alice Cooper, Whitesnake, Night Ranger, Heart, Quiet Riot, W.A.S.P., Ian Gillan and Motörhead among others.
Phelix
Phelix is a high-speed stream cipher with a built-in single-pass message authentication code (MAC) functionality, submitted in 2004 to the eSTREAM contest by Doug Whiting, Bruce Schneier, Stefan Lucks, and Frédéric Muller. The cipher uses only the operations of addition modulo 232, exclusive or, and rotation by a fixed number of bits. Phelix uses a 256-bit key and a 128-bit nonce, claiming a design strength of 128 bits. Concerns have been raised over the ability to recover the secret key if the cipher is used incorrectly.
Performance
Phelix is optimised for 32-bit platforms. The authors state that it can achieve up to eight cycles per byte on modern x86-based processors.
FPGA Hardware performance figures published in the paper "Review of stream cipher candidates from a low resource hardware perspective" are as follows:
Helix
Phelix is a slightly modified form of an earlier cipher, Helix, published in 2003 by Niels Ferguson, Doug Whiting, Bruce Schneier, John Kelsey, Stefan Lucks, and Tadayoshi Kohno; Phelix adds 128 bits to the internal state.
Smokey
Smokey may refer to:
People with the name
See also
Smokey (album)
Smokey is the first solo album by Motown legend Smokey Robinson after his departure from The Miracles. It was released on Motown Records' Tamla subsidiary label (T328L) in 1973, and featured the single "Sweet Harmony" which was his tribute to his former singing partners in the Miracles: Bobby Rogers, Pete Moore and Ronnie White. The album was arranged by Dave Blumberg, Gene Page and Willie Hutch. It also featured the song "Baby Come Close", his first solo hit single, and the single "Just My Soul Responding", a protest song dealing with ghetto life in America, and the plight of the American Indian.
All things equal, Smokey was his entry to place him on creative and commercial footing with labelmates, Marvin Gaye with his landmark 1971, What's Going On, Stevie Wonder and Talking Book and Diana Ross and her self-titled debut. However, performing his Vice-President duties at Motown, meant that his time would come a bit later. Producing the #7, "Baby Come Close", "Smokey" shimmers with brilliance on the medley of "Never My Love"/"Never Can Say Goodbye" and songs like the plaintive "Holly". But a couple of years later, he would get his well deserved moment.
Smokey (mascot)
Smokey is the mascot of the University of Tennessee sports teams. These teams, named "The Volunteers" and nicknamed "the Vols", use both a live and a costumed version of Smokey.
There is an actual Bluetick Coonhound mascot, Smokey X, who leads the Vols on the field for football games. The Alpha Gamma Rho fraternity cares for the hound on the University of Tennessee campus. There is also a costumed mascot that appears at every Vols game and has won several mascot championships. The costumed Smokey has a female counterpart that appears at the women's athletic events.
Smokey was selected as the mascot for Tennessee after a student poll in 1953. A contest was held by the Pep Club that year. Their desire was to select a coon hound that was native to Tennessee. At halftime of the Mississippi State game that season, several hounds were introduced for voting. "Blue Smokey", owned by a Rev. Bill Brooks was the last, and howled loudly when introduced. The students cheered and Smokey became the mascot. The most successful of the live dogs was Smokey VIII, who saw a record of 91-22, two SEC titles and one National Championship.
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